| 1 | /* Bug 20419: test for stack overflow in elf/dl-load.c open_verify() |
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| 2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | /* This creates a .so with 8MiB PT_NOTE segment. |
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| 20 | On a typical Linux system with 8MiB "ulimit -s", that was enough |
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| 21 | to trigger stack overflow in open_verify. */ |
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| 22 | |
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| 23 | #define NOTE_SIZE 8*1024*1024 |
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| 24 | |
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| 25 | .pushsection .note.big,"a" |
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| 26 | .balign 4 |
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| 27 | .long 5 /* n_namesz. Length of "GLIBC". */ |
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| 28 | .long NOTE_SIZE /* n_descsz. */ |
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| 29 | .long 0 /* n_type. */ |
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| 30 | .ascii "GLIBC\0\0\0" /* Name and alignment to four bytes. */ |
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| 31 | .fill NOTE_SIZE, 1, 0 |
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| 32 | .popsection |
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| 33 | |
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